CMF by Nothing Watch 3 Pro Smart Watch for Men Women
Quick take
The CMF by Nothing Watch 3 Pro is a stylish, lightweight smartwatch with a 1.43” AMOLED display, built-in GPS, and a full suite of daily health tracking (heart rate, SpO2, stress, and sleep). It also supports Bluetooth calls with AI noise reduction and includes 130+ sport modes. The biggest caveat is that while battery life and overall usability earn praise, some buyers feel certain health metrics are less reliable than they expected, and the charging dock can be awkward.
Pros and cons
Pros
- Large 1.43” AMOLED screen with always-on display and automatic brightness optimization
- Built-in GPS for independent distance and route tracking during workouts
- Strong daily wear feedback, including easy pairing and comfortable fit
- Long battery life is a common highlight (claimed up to 13 days)
- Bluetooth calling with AI noise reduction and an on-watch speaker/mic
Cons
- Review evidence is mixed on health tracking accuracy for heart rate, sleep, and steps, with some buyers saying those “suck”
- Charging can be problematic for some users (the charger may not stay firmly connected)
- Some buyers want more watch faces beyond what’s included
What buyers think
Buyer-review evidence points to a few consistent themes. Many shoppers describe the watch as good-looking and comfortable, with easy phone pairing and a display that’s bright and readable. Battery life also comes up repeatedly, with multiple buyers saying it holds a charge for days and feels reliable for everyday wear. Setup and app experience are generally described as smooth.
On the downside, the fitness/health tracking experience is where expectations can vary. Some buyers report that heart rate, sleep tracking, and step tracking do not meet their standards, while others are satisfied with everyday tracking for runs and walks. There is also limited but notable feedback that the charger connection can be finicky, and a few wish there were more watch faces available.
Who it’s best for
- People who want a bright AMOLED smartwatch on a budget, especially if you care about readability and a more premium look (metal case design, always-on display).
- Runners, walkers, and gym-goers who want built-in GPS so workouts can be tracked without relying entirely on your phone.
- Users who value daily health guidance like continuous heart rate, SpO2, stress monitoring, and sleep insights.
- Anyone who wants smartwatch calling without stepping up to a flagship price, thanks to Bluetooth calls and AI noise reduction.
Who should skip it
- Buyers who expect “set-and-forget” medical-accuracy fitness metrics may find the health tracking experience uneven relative to their expectations.
- People who strongly prefer easy charging mechanics should be aware that some buyers report connection issues with the charger staying seated.
- Those who obsess over a huge watch-face collection may want to confirm whether the included options meet their taste.
Key features that matter day to day
Display and everyday navigation
The 1.43” AMOLED display is designed to be easy to read, with always-on display support and automatic brightness optimization. For daily use, a larger screen helps with notifications, training data, and quick glance checking without leaning in.
Health tracking, sleep, and Active Score
Beyond basic step counting, the Watch 3 Pro focuses on a multi-metric health routine: 24/7 heart rate, SpO2, stress monitoring, and sleep tracking with sleep zone tracking. It also includes an Active Score (MET-based fitness tracking) intended to help interpret your day-to-day fitness status, plus reminders for hydration and posture.
Built-in GPS for workout tracking
With L1+L5 dual band GPS and built-in GPS support, the watch is positioned for more accurate navigation and independent route tracking. This is especially relevant for outdoor running, cycling, and multi-sport workouts where you do not want to depend on your phone.
Sports modes and performance analysis
It offers 130+ exercise modes and includes motion recognition to capture a range of activities. For users who like training details, the watch includes analysis powered by GOMORE, with features such as aerobic and anaerobic performance, training load, and recovery time.
Bluetooth calls with AI noise reduction
If you want to answer calls from your wrist, the watch supports Bluetooth calling with a built-in mic and speaker, plus AI noise reduction. The system supports up to 30 contacts and includes gesture control for one-handed operation.
Pros and cons, summarized
Standout strengths
- Comfortable fit and lightweight feel, multiple buyers mention it
- AMOLED display that stays readable, with always-on display support
- Battery life is repeatedly praised
- Built-in GPS and a wide sport-mode lineup
- Calling features add real convenience
Tradeoffs to consider
- Health metrics can be hit-or-miss for some buyers, especially heart rate, sleep, and steps
- Charging may require a careful connection due to dock stability feedback
- Watch-face variety may not satisfy everyone out of the box
Price and availability
This model is positioned as a budget smartwatch. Current pricing and availability can change, so check the latest listing before buying.
Verdict: is CMF by Nothing Watch 3 Pro worth it?
The CMF by Nothing Watch 3 Pro makes the most sense if you want an attractive AMOLED smartwatch with built-in GPS, broad fitness tracking features, and Bluetooth calling, without paying flagship prices. It looks and feels good for everyday wear and many buyers like the battery performance. Just go in with realistic expectations for health metric accuracy, and consider the charging-dock feedback if easy charging is a top priority for you.
FAQ
Does the CMF by nothing watch 3 pro have built-in GPS?
Yes. It includes built-in GPS support, designed to track workouts more independently outdoors.
What health metrics does it track?
It supports 24/7 heart rate monitoring, SpO2, stress monitoring, and sleep monitoring (including sleep zone tracking). It also includes step counting and daily health guidance features.
Can you make and answer calls from the watch?
Yes. The watch supports Bluetooth calling with AI noise reduction, using an integrated mic and speaker, and it can store up to 30 contacts.
How long does the battery last?
Battery life is rated up to about 13 days with normal usage. Buyer feedback frequently mentions that it can last for days, though real results depend on usage patterns like GPS, screen brightness, and calling.
Is it compatible with iPhone and Android?
It supports Android 6.0 or iOS 13+ as listed for compatibility.
How water-resistant is it?
It is rated IP68, which is intended to handle sweat and water splashes.
Specifications
| Product Title | CMF by Nothing Watch 3 Pro Smart Watch for Men Women, Bluetooth Call AI Energy Score, 1.43” Heart Rate Tracking, Sleep Monitor, GPS & 130 Sport Modes, Fitness Tracker for Android iOS, IP68 Dark Grey |
|---|---|
| Category | Electronics > Wearable Technology > Smartwatches |
| Brand | CMF BY NOTHING |
| Manufacturer | CMF BY NOTHING |
| Model Name | Watch 3 Pro |
| Model Number | D399 |
| Color | Dark Grey |
| Item Weight | 52 Grams |
| Operating System | ROTS |
| Additional Features | Activity Tracker, Alarm Clock, Audio Recording, GPS, Gesture Control, Notifications, Phone Call, Touchscreen |
| GPS Geotagging Functionality | Built-in GPS |
| Band Material Type | Silicone |
| Case Material Type | Metal |
| Water Resistance Level | Waterproof |
| Sport Type | Cycling, Fitness, Multi-Sports, Running |
| Human Interface Input | Buttons, Dial, Touchscreen |
| Clasp Type | Tang Buckle |
| Supported Application | Alarm, Fitness Tracker, GPS, Messages, Multisport Tracker, Reminders, Time Display, Voice Record |
| Water Resistance Depth | 4.92 Feet |
| Language | Japanese |
| Supported Satellite Navigation System | GPS |
| Metrics Measured | Blood Oxygen (SpO2), Distance, Heart Rate, Sleep Duration |
| Closure Type | Buckle |
| Battery Capacity | 350 |
| Battery Cell Type | Lithium Ion |
| Battery Average Life | 13 days |
| Battery Charge Time | 1.5 Hours |
Available variants
Color
- Dark Grey
- Ash Grey
- Orange
- Light Green
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